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Science News Archive September 2019


Page 24 of 43

Male Trinidad guppies find food thanks to females

In a recent study, male Trinidad Guppies were found to reach more novel food patches when in the presence of females. In contrast, female foraging was independent of male presence. The researchers suggest that life in a group can be advantageous, allowing individuals to share information and find food more easily.

Trapped by a flexible schedule

A survey of over 4,200 Russian-speaking self-employed individuals found that freelancers often work long hours, including evenings, nights, holidays, and weekends. While some reported feeling satisfied with their work-life balance, others struggled to maintain it due to the demands of non-standard schedules. The study also found that c...

Biochar used to prevent soil erosion in Tatarstan

Researchers developed a biochar technology to reduce carbon dioxide emissions from soils and prevent soil degradation. The innovative method uses chicken dung and agricultural waste to produce biochar, which slows down humus mineralization and stalls CO2 emission.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Scientists seek to harness the power of accelerators for environmental remediation

Researchers Fay Hannon and Gianluigi Ciovati design low-energy, compact accelerators to clean wastewater. The technology has the potential to replace existing methods, which can be chemically and energetically intensive. The accelerators may also be used to treat tar sands, hydraulic fracturing fluids, and other industrial byproducts.

Multidrug resistance: Not as recent as we thought

Researchers from Osaka University found that a relatively ancient Haemophilus influenzae drug efflux pump AcrB confers resistance to antibiotics similar to its more evolved counterparts. The study highlights the evolution and mechanism of multidrug efflux systems, suggesting a 'one size fits all' approach is not suitable.

Extinction of Icelandic walrus coincides with Norse settlement

A study published in Molecular Biology and Evolution reveals that the Icelandic walrus went extinct shortly after Norse settlement around 870 AD, likely due to commercial hunting and ivory trade. The research used ancient DNA analyses and C14-dating to demonstrate the existence of a unique population of Icelandic walruses.

NASA-NOAA satellite's night-time look at Tropical Storm Kiko

Tropical Storm Kiko strengthened into a tropical storm on Sept. 11, with NASA-NOAA's Suomi NPP satellite capturing its nighttime image on Sept. 12. The storm is forecast to approach hurricane strength later this weekend and is expected to continue moving west-northwest.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Groovy! These grooved patterns better mitigate shock waves

A team of engineers at UC San Diego has discovered a method to make materials more resilient against massive shocks using grooved patterns. The researchers found that these patterns can diminish the impacts of reflected shock waves, while initial transmitted shock waves showed inconclusive results.

Communities that Care prevention system helps to protect youth

Students in CTC participating districts showed significant reductions in marijuana, cigarette, alcohol use, and delinquent behavior compared to non-CTC districts. The study highlights the effectiveness of evidence-based programs in promoting healthy youth development.

Microbes make chemicals for scent marking in a cat

A new study published in PLOS ONE suggests that many volatile compounds from a male cat's anal sacs are produced by a community of bacteria, rather than the cat itself. This discovery challenges traditional views on scent marking and communication in cats.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Developing therapeutic strategies for pregnant women with lupus

A team of researchers investigated the link between pregnancy and lupus flares, finding that gut microbiota may regulate disease severity. The study suggests that modulating the gut microbiota community could lead to improved disease management for pregnant women with lupus.

New way to target cancer's diversity and evolution

Researchers at The Institute of Cancer Research have discovered the three-dimensional structure and function of the 'mix n match' protein DHX8, which helps control a process linked to cancer progression and drug resistance. This study opens up a potentially exciting new way to tackle drug-resistant cancers.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

The enigma of Bronze Age tin

Researchers use natural sciences methods to determine geographic origin of Bronze Age tin artifacts from Israel, Turkey, and Greece, disproving Central Asian source and confirming Europe as the origin of ingots. The study highlights complex trade networks between Europe and Eastern Mediterranean during the Bronze Age.

Slower growth in working memory linked to teen driving crashes

A new study suggests that slower growth in working memory is associated with motor vehicle crashes among teenagers. The research found that young drivers with less-than-average working memory growth were more likely to report being involved in a crash, while those with greater-than-average growth were less likely.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

MIT engineers develop 'blackest black' material to date

Researchers at MIT developed a material that is 10 times blacker than anything reported previously, using vertically aligned carbon nanotubes. The new coating absorbs greater than 99.995% of incoming light from any angle, making it the blackest material on record.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Researchers identify focus points to reduce opioid overdose deaths

Researchers have identified specific touchpoints where individuals with opioid use disorder encounter the healthcare system, criminal justice, or public health services, increasing their risk of overdose death. Targeted interventions and harm reduction services can reduce these deaths by up to 50%.

New health monitors are flexible, transparent and graphene enabled

Researchers have developed a new class of flexible and transparent wearable devices that can measure multiple human vital signs, including heart rate, respiration rate, and blood pulse oxygenation. The devices are conformable to the skin, operate battery-free wirelessly, and provide continuous measurements during activity.

How new loops in DNA packaging help us make diverse antibodies

A new study in Nature explores the role of chromatin loops in V(D)J recombination, a gene assembly process that generates diverse antibodies. The research reveals how cells exploit loop formation to mix and match genetic code, leading to the creation of new antibodies.

Environmental pollution in China begins decreasing

A recent international research study published in Science Advances journal shows that environmental awareness and investments in China over the past decade have led to a weakening of the connection between economic growth and pollution. Despite this progress, major challenges remain, including increasing greenhouse gas emissions.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Blink and you'll miss it

Scientists have successfully observed and controlled fast-paced chemical reactions using light, which could lead to new optical nanotechnology. The method uses ultrafast techniques to visualize the reaction, offering insights into molecular interactions and potential applications in materials design.

Study examines patterns of violence among young urban males

The study found that high levels of social support were associated with reduced risk behaviors, and that mentoring was linked to a lower likelihood of gang involvement. These findings suggest understanding the associations between different types of violence and their related risk factors may help in prevention efforts.

B cells linked to immunotherapy for melanoma

Researchers at EMBL and Medical University of Vienna found B cells play a critical role in triggering inflammation and guiding T cells to melanoma. This discovery suggests that B cells may be more important in immunotherapy than previously thought, potentially leading to new targets for cancer treatment.

Parasitology: Mother cells as organelle donors

Research reveals that Toxoplasma gondii's mother cells share micronemal proteins with daughters during asexual reproduction. This recycling mechanism enables the reassembly of vital organelles for parasite propagation.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Addressing serious illness with a serious question to clinicians

A study from Brigham and Women's Hospital found that emergency clinicians can use the 'surprise' question to identify patients at greatest risk of near-term death, prompting essential end-of-life conversations. The analysis revealed a strong correlation between clinician responses and patient mortality, with those who answered they wou...

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Predictable esports: Amateurs and professionals sit differently in a chair

A team of scientists from Skoltech and Moscow Institute of Physics and Technology studied the movements of 19 esports players, including professionals and amateurs. The results show that machine learning methods can accurately predict a player's skill level in 77% of cases, with professional players moving more than beginners.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Tiny bubbles in our body could fight cancer better than chemo

Researchers at Michigan State University have developed a new approach to delivering enzyme-producing genes that can convert certain drugs into toxic agents and target tumors. The study found that nano-bubbles, or extracellular vesicles, were 14 times more effective at delivery and killed over half of the breast cancer cells in mice.

Speeding up the drug discovery process to help patients

Researchers developed a method to categorize drugs based on cellular responses, predicting potential clinical effects and reducing side effects. The approach was validated using opioid analgesics, with potential applications in safer opioids and cannabis product testing.

New vibration sensor detects buried objects from moving vehicle

A new laser-based sensor called LAMBDIS effectively detects buried objects while a vehicle is in motion, overcoming the challenge of existing technologies' sensitivity to environmental vibrations. It achieved comparable results to traditional laser Doppler vibrometers in laboratory and field tests.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

How microtubules branch in new directions, a first look in animals

Biologists have directly observed and recorded branching microtubule nucleation in living fruit fly cells, a mechanism crucial to cell division. The technique enabled visualization of individual microtubules using TIRF microscopy, revealing that microtubule tips trigger the process.

Gene editing tool gets sharpened by WFIRM team

Wake Forest Institute for Regenerative Medicine scientists have developed a faster and more efficient gene editing tool using the CRISPR/Cas9 system. The new delivery system packages both essential components together, enabling transient Cas9 expression and avoiding unwanted results.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Stem cell researchers reactivate 'back-up genes' in the lab

Researchers have unraveled a mechanism to reactivate 'back-up genes' on the inactive X chromosome, which could help treat Rett syndrome and other X-linked disorders. The study found that different genes require varying amounts of time to become active again, with location and proteins playing key roles.

Chinese scientists update soybean genome to a golden reference

Researchers from China have updated the soybean genome to a golden reference, improving its assembly quality and completeness. The new genome has increased accuracy in gene annotation and expression profiling, facilitating fundamental research and molecular breeding.